Without delay, let's solve this. We've got 109 and we will be multiplying it by 127, that is, adding 109 to itself 127 times.
Step 1: 0 + 109 = 109
Step 2: 109 + 109 = 218
Step 3: 218 + 109 = 327
Step 4: 327 + 109 = 436
Step 5: 436 + 109 = 545
Step 6: 545 + 109 = 654
Step 7: 654 + 109 = 763
Step 8: 763 + 109 = 872
Step 9: 872 + 109 = 981
Step 10: 981 + 109 = 1090
Step 11: 1090 + 109 = 1199
Step 12: 1199 + 109 = 1308
Step 13: 1308 + 109 = 1417
Step 14: 1417 + 109 = 1526
Step 15: 1526 + 109 = 1635
Step 16: 1635 + 109 = 1744
Step 17: 1744 + 109 = 1853
Step 18: 1853 + 109 = 1962
Step 19: 1962 + 109 = 2071
Step 20: 2071 + 109 = 2180
Step 21: 2180 + 109 = 2289
Step 22: 2289 + 109 = 2398
Step 23: 2398 + 109 = 2507
Step 24: 2507 + 109 = 2616
Step 25: 2616 + 109 = 2725
Step 26: 2725 + 109 = 2834
Step 27: 2834 + 109 = 2943
Step 28: 2943 + 109 = 3052
Step 29: 3052 + 109 = 3161
Step 30: 3161 + 109 = 3270
Step 31: 3270 + 109 = 3379
Step 32: 3379 + 109 = 3488
Step 33: 3488 + 109 = 3597
Step 34: 3597 + 109 = 3706
Step 35: 3706 + 109 = 3815
Step 36: 3815 + 109 = 3924
Step 37: 3924 + 109 = 4033
Step 38: 4033 + 109 = 4142
Step 39: 4142 + 109 = 4251
Step 40: 4251 + 109 = 4360
Step 41: 4360 + 109 = 4469
Step 42: 4469 + 109 = 4578
Step 43: 4578 + 109 = 4687
Step 44: 4687 + 109 = 4796
Step 45: 4796 + 109 = 4905
Step 46: 4905 + 109 = 5014
Step 47: 5014 + 109 = 5123
Step 48: 5123 + 109 = 5232
Step 49: 5232 + 109 = 5341
Step 50: 5341 + 109 = 5450
Step 51: 5450 + 109 = 5559
Step 52: 5559 + 109 = 5668
Step 53: 5668 + 109 = 5777
Step 54: 5777 + 109 = 5886
Step 55: 5886 + 109 = 5995
Step 56: 5995 + 109 = 6104
Step 57: 6104 + 109 = 6213
Step 58: 6213 + 109 = 6322
Step 59: 6322 + 109 = 6431
Step 60: 6431 + 109 = 6540
Step 61: 6540 + 109 = 6649
Step 62: 6649 + 109 = 6758
Step 63: 6758 + 109 = 6867
Step 64: 6867 + 109 = 6976
Step 65: 6976 + 109 = 7085
Step 66: 7085 + 109 = 7194
Step 67: 7194 + 109 = 7303
Step 68: 7303 + 109 = 7412
Step 69: 7412 + 109 = 7521
Step 70: 7521 + 109 = 7630
Step 71: 7630 + 109 = 7739
Step 72: 7739 + 109 = 7848
Step 73: 7848 + 109 = 7957
Step 74: 7957 + 109 = 8066
Step 75: 8066 + 109 = 8175
Step 76: 8175 + 109 = 8284
Step 77: 8284 + 109 = 8393
Step 78: 8393 + 109 = 8502
Step 79: 8502 + 109 = 8611
Step 80: 8611 + 109 = 8720
Step 81: 8720 + 109 = 8829
Step 82: 8829 + 109 = 8938
Step 83: 8938 + 109 = 9047
Step 84: 9047 + 109 = 9156
Step 85: 9156 + 109 = 9265
Step 86: 9265 + 109 = 9374
Step 87: 9374 + 109 = 9483
Step 88: 9483 + 109 = 9592
Step 89: 9592 + 109 = 9701
Step 90: 9701 + 109 = 9810
Step 91: 9810 + 109 = 9919
Step 92: 9919 + 109 = 10028
Step 93: 10028 + 109 = 10137
Step 94: 10137 + 109 = 10246
Step 95: 10246 + 109 = 10355
Step 96: 10355 + 109 = 10464
Step 97: 10464 + 109 = 10573
Step 98: 10573 + 109 = 10682
Step 99: 10682 + 109 = 10791
Step 100: 10791 + 109 = 10900
Step 101: 10900 + 109 = 11009
Step 102: 11009 + 109 = 11118
Step 103: 11118 + 109 = 11227
Step 104: 11227 + 109 = 11336
Step 105: 11336 + 109 = 11445
Step 106: 11445 + 109 = 11554
Step 107: 11554 + 109 = 11663
Step 108: 11663 + 109 = 11772
Step 109: 11772 + 109 = 11881
Step 110: 11881 + 109 = 11990
Step 111: 11990 + 109 = 12099
Step 112: 12099 + 109 = 12208
Step 113: 12208 + 109 = 12317
Step 114: 12317 + 109 = 12426
Step 115: 12426 + 109 = 12535
Step 116: 12535 + 109 = 12644
Step 117: 12644 + 109 = 12753
Step 118: 12753 + 109 = 12862
Step 119: 12862 + 109 = 12971
Step 120: 12971 + 109 = 13080
Step 121: 13080 + 109 = 13189
Step 122: 13189 + 109 = 13298
Step 123: 13298 + 109 = 13407
Step 124: 13407 + 109 = 13516
Step 125: 13516 + 109 = 13625
Step 126: 13625 + 109 = 13734
Step 127: 13734 + 109 = 13843

So, 109*127 = 13843